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How to validate an email address in PHP

...xists. The only way to find that out is by sending a confirmation mail. Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings. Trying to validate an email address using a re...
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PyLint, PyChecker or PyFlakes? [closed]

...dy, but I like it ;-) Cons of PyLint: Some rules are really strict. I know that you can change it and that the default is to match PEP8, but is it such a crime to write 'for x in seq'? Apparently yes because you can't write a variable name with less than 3 letters. I will change that. Very very ...
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How to convert AAR to JAR

...ProjectLib.jar) and move it to the lib folder within the extracted folder. Now in order for Eclipse to accept it you need to put two files into the extracted folder root: .project .classpath To do that, create a new Android dummy project in Eclipse and copy over the files, or copy over from an ex...
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Does Java SE 8 have Pairs or Tuples?

...c, and it wouldn't have satisfied many of the use cases we are envisioning now. Consider that if Pair had been added in the JDK 1.0 time frame, it probably would have been mutable! (Look at java.util.Date.) Would people have been happy with that? My guess is that if there were a Pair class in Java, ...
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Confused by python file mode “w+”

...om your file: with open('somefile.txt', 'w+') as f: # Note that f has now been truncated to 0 bytes, so you'll only # be able to read data that you write after this point f.write('somedata\n') f.seek(0) # Important: return to the top of the file before reading, otherwise you'll jus...
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Python dictionary from an object's fields

Do you know if there is a built-in function to build a dictionary from an arbitrary object? I'd like to do something like this: ...
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How do I set up HttpContent for my HttpClient PostAsync second parameter?

...this somewhere where everyone can see it! This has had me going for 4 days now, trying to get a simple REST to an API. – Jimmyt1988 Sep 24 '13 at 9:28 ...
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Can't install PIL after Mac OS X 10.9

... tool, in Mountain Lion this was an option on the xcode Download page, but now you have to register with your apple id and download from: https://developer.apple.com/downloads/ Look for Command Line Tools (OS X Mavericks) for Xcode 2) Install everything needed for python (using brew), I believe yo...
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Are list-comprehensions and functional functions faster than “for loops”?

...specifically about map(), filter() and reduce(), but I assume you want to know about functional programming in general. Having tested this myself on the problem of computing distances between all points within a set of points, functional programming (using the starmap function from the built-in iter...
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How to implement an abstract class in ruby?

I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like... ...